Explore topic-wise MCQs in Javascript.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Javascript knowledge and support exam preparation. Choose a topic below to get started.

1.

WHICH_OF_THE_FOLLOWING_READS_THE_TEXTUAL_CONTENTS_OF_A_URL_AND_RETURNS_AS_A_STRING??$

A. spawn(f);
B. load(filename,…);
C. readFile(file);
D. readUrl(url);
Answer» E.
Discussion
2.

When_does_JSNLog_have_server-side_extensions?$

A. Use of .NET
B. Use of Java
C. Both .NET and Java
D. None of the mentioned
Answer» B. Use of Java
Discussion
3.

Which of the following are appenders?

A. DummyAppender
B. ConsoleAppender
C. FileAppender
D. All of the mentioned
Answer» E.
Discussion
4.

Which of the following JavaScript logging tool is standalone?

A. Blackbird
B. Log Hound
C. jsTracer
D. fvlogger
Answer» C. jsTracer
Discussion
5.

Which of the following JavaScript logging tool is also a debugging tool?

A. Blackbird
B. Log Hound
C. jsTracer
D. fvlogger
Answer» D. fvlogger
Discussion
6.

Which of the following JavaScript logging framework lets one to toggle the plane?

A. Lumberjack
B. Log Hound
C. jsTracer
D. fvlogger
Answer» B. Log Hound
Discussion
7.

What is the significance of the JavaScript logging library log4javascript?

A. Fully featured
B. Easy to use
C. Fully featured and Easy to use
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
8.

Which of the following browsers support the usage of the JavaScript logging library log4javascript?

A. IE
B. Safari
C. Opera
D. All of the mentioned
Answer» E.
Discussion
9.

What is the significance of the JavaScript logging library loglevel?

A. Lightweight
B. Unreliable
C. Minimal usage
D. Inconvenient
Answer» B. Unreliable
Discussion
10.

Which of the following are JavaScript logging library?

A. log
B. loglevel
C. leveljavascript
D. jslogjava
Answer» C. leveljavascript
Discussion